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Finding the Fourth Proportional to 35,920.72, 53,881.10 and 9,624.80

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Solution

The fourth proportional to 35,920.72, 53,881.10 and 9,624.80 is: 14,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.72 : 53,881.10 = 9,624.80 : x
  2. Step 2: Convert to fraction form
    35,920.72/53,881.10 = 9,624.80/x
  3. Step 3: Cross multiply
    35,920.72x = 53,881.10 × 9,624.80
  4. Step 4: Simplify right side
    35,920.72x = 518,594,811.28
  5. Step 5: Solve for x
    x = 518,594,811.28/35,920.72
  6. Step 6: Final answer
    x = 14,437.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.